/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Copyright (c) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file has been modified by Huawei to verify type inference by adding verification statements.
*/

// === tests/cases/compiler/uniqueSymbolAssignmentOnGlobalAugmentationSuceeds.ts ===
declare function AssertType(value:any, type:string):void;
const FOO_SYMBOL = Symbol('Foo');
AssertType(FOO_SYMBOL, "unique symbol");
AssertType(Symbol('Foo'), "unique symbol");
AssertType(Symbol, "SymbolConstructor");
AssertType('Foo', "string");

declare global {
    interface Promise<T> {
        [FOO_SYMBOL]?: number;
    }
}

export function foo<T>(p: Promise<T>) {
    p[FOO_SYMBOL] = 3;
AssertType(p[FOO_SYMBOL] = 3, "int");
AssertType(p[FOO_SYMBOL], "union");
AssertType(p, "Promise<T>");
AssertType(FOO_SYMBOL, "unique symbol");
AssertType(3, "int");
}

